basic concepts in Mathematics Flashcards
1
Q
13^0 = ?
A
1
2
Q
(-2)^0 = ?
A
1
3
Q
(-5)^2 = ?
A
(-5) * (-5) = 25
4
Q
-5^2 = ?
A
-(5) *(5) = -25
5
Q
2^-3 =
A
1/2^3 = 1/8
6
Q
2^ -3 = ?
A
1/2^3 = 1/8
7
Q
2^ -3 + 3^ -2 = ?
A
1/8 + 1/9 = 9/72 + 8/72 = 17/72
8
Q
a^7 * a^5 = ?
A
a^12
9
Q
x^5 * y^3 * x^2 * y^7 = ?
A
x^7 y^10
10
Q
(a^5)^3 =
A
a^5*3 = a^15
11
Q
(a^3)^ -2 = ?
A
a^(3) * (-2) = a^ -6= 1/a^6
12
Q
a^5/a^3 = ?
A
a^5-3 = a^2
13
Q
x^5/x^7 = ?
A
x^ -2 = 1/x^2
14
Q
a^5 b^2/a^3 b^7 = ?
A
a^5-3 * b^2-7 = a^2b^ -5 = a^2/b^5
15
Q
(3^5/4)^2 =?
A
3^2 x^5 /4^2 = 9x^10 / 16
16
Q
3x^4(xy)^2/(2x^2)^3 = ?
A
3 * x^4x^2y^2/2^3 * x^2*3 = 3x^6y^2/8x^6 =3x^6-6y^2/8 = 3x^0y^2/8 = 3y^2/8
17
Q
a + a = ?
A
2a
18
Q
a * a = ?
A
a^2
19
Q
0^5 = ?
A
0
20
Q
x * y / x =
A
y
21
Q
0^0
A
undefined
22
Q
A
